Общий каталог Sumitomo 2019 - 2020 - страница 367

SUMIBORON Grooving Tool Holder
GWB Type
■ Features
● Vertically-mounted insert enhances tool rigidity
● Double clamping holder design improves stability during continuous
and interrupted cutting. Can also be used for traverse cutting
● Long tool life for interrupted cutting applications with the new
Coated SUMIBORON BNC30G grade for grooving (BN2000


Grooving
Tools
recommended for continuous cutting)
● Suited for grooving various types of hardened steel. Variety of
widths available from 1.5 to 6.0mm

External
Double Clamp
for Hardened Steel Shallow Grooves
F
GWB
Fig 1
CDX
WF


B
CW


External Grooving 3˚
LF
HF


H
Figure shows right hand (R) tool.

Holder Parts  Dimensions (mm)
Cap Flat
Stock Height Width Overall Cutting Edge Cutting Edge Width of Max. Clamp Spring Wrench
Length Distance Height Cut Groove Depth Group Screw Screw
Cat. No. Fig
No.
R L H B LF WF HF CW CDX Nm

151
GWB R/L 2525-45 ● ● 25 25 (150) 30 25 1.5 ≤ CW ≤ 4.5 3.5 to 5.0 1 1
TF72/TF73 BX0520T 5.0 BFTX0511N GSP06 TRX20
GWB R/L 2525-60 ● ● 25 25 151 30 25 4.5 < CW ≤ 6.0 5.0 2 1
Dimensions in ( ) are for width of cut (CW) of 3.0 or less. Right-handed (R) tool holders are applicable with right-handed (R) inserts and clamps (TF72).
Insert ( SUMIBORON) Dimensions (mm)
BN2000 BNC30G Width of Cut Groove Depth Inscribed Circle Thickness Group Fig 1
Cat. No. Applicable Holder Fig
R L R L CW CDX IC S No. CDX
CGA R/L 1504150 ● ● ● ● 1.5 3.5 15.875 4.76
CW±0.025


1 2-R0.2
CGA R/L 1504200 ● ● ● ● 2.0 3.5 15.875 4.76 1

S
CGA R/L 1504250 ● ● ● ● 2.5 4.0 15.875 4.76 1
CGA R/L 1504300 ● ● ● ● 3.0 4.0 15.875 4.76 1 GWB R/L 2525-45 1
CGA R/L 1504350 ● ● ● ● 3.5 5.0 15.875 4.76 1 IC
CGA R/L 1504400 ● ● ● ● 4.0 5.0 15.875 4.76 1
CGA R/L 1504450 ● ● ● ● 4.5 5.0 15.875 4.76 1
CGA R/L 1506500 ● ● ● ● 5.0 5.0 15.875 6.35 1
CGA R/L 1506550 ● ● ● ● 5.5 5.0 15.875 6.35 2 GWB R/L 2525-60 1
CGA R/L 1506600 ● ● ● ● 6.0 5.0 15.875 6.35 1
* It is also possible to manufacture widths of cut other than those listed above (CW = 1.5 to 6.0mm).
Grade Features Recommended Cutting Conditions
Grade Application Range Features HV(GPa) TRS(GPa) Cutting Conditions H Hardened Steel
BN2000 Cutting Speed vc (m/min) 80 to 120
Continuous General-purpose grade with superior wear 31 to 34 1.0 to 1.1
Grooving resistance Feed Rate f (mm/rev) 0.04 to 0.08
BNC30G Grade suited to interrupted grooving. * In order to avoid thermal cracking of the
Interrupted SUMIBORON cutting edge during interrupted
Features tough substrate and special ceramic coating 33 to 35 1.1 to 1.2
Grooving cutting, ensure that the work material is thoroughly
that exhibits both peel-off and wear resistance. dry before cutting.
Application Examples
Tooling Work Material Tool Cat. No. Cutting Condition Tool Life Comparison
Shaft Grooving:
vc: 120m/min GWB Type
No Chipping
Continuous BN2000
Carburised steel CGAR1504200 f : 0.05mm/rev
Conventional
58 to 62HRC BN2000 Groove Depth: 2mm Tool
Chipping

Required Surface Roughness for Groove Sides: Ra0.4μm
Dry 0 500 1,000
No. of Workpieces (pcs)
Spline Grooving:
Interrupted
vc: 100m/min GWB Type
No Chipping
BNC30G
Carburised steel CGAR1504200 f : 0.05mm/rev Competitor's
Chipping
58 to 62HRC BNC30G Groove Depth: 1.6mm Product
Dry 0 200 400 600
No. of Workpieces (pcs)

N m Recommended Tightening Torque (N·m)
F53